The table below shows characteristics of three landscape regions, X, Y, and Z.
Which terms, when substituted for X, Y,
and Z, best complete the table?

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics

answer: b

coz red blood cells marrow and circulates the body for 120 days.